Electric power monitor



FIG. 1 is a front perspective view of an electric power monitor showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Broken lines in the drawings are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for an electric power monitor, as shown and described. 